LED module with an LED semiconductor chip mounted on a silicon platform

Abstract

An LED module having an LED semiconductor chip mounted directly or indirectly on a platform. The platform is made from silicon and extends laterally beyond the LED semiconductor chip having an active light emitting layer and a substrate. At least one electronic component that is part of the control circuitry for the LED semiconductor chip is integrated in the silicon platform.

The invention claimed is: 
     
       1. An LED module, comprising:
 an LED semiconductor chip mounted directly or indirectly on a platform, the platform being made from silicon and extending laterally beyond the LED semiconductor chip, wherein: 
 the LED semiconductor chip comprises an active light emitting layer and a substrate, 
 the silicon platform includes a base part and a reflector and the reflector comprises at least one intermediate layer, 
 at least one electronic component that is part of a control circuitry for the LED semiconductor chip integrated in said intermediate layer, 
 walls of the silicon platform define a depression and extend vertically beyond the active light emitting layer of the LED semiconductor chip, 
 the integrated electronic component is at least one of a wireless communication device and a sensor for at least one of light intensity, color temperature, and temperature, and 
 the LED chip is mounted on a bottom surface of said intermediate layer. 
 
     
     
       2. The LED module according to  claim 1 , wherein the integrated electronic component is part of LED drive electronics providing the LED semiconductor chip with power. 
     
     
       3. The LED module according to  claim 1 , wherein the silicon platform defines the depression in which the LED semiconductor chip is arranged. 
     
     
       4. The LED module according to  claim 3 , wherein the depression defines walls that are vertical, inclined, or curved. 
     
     
       5. The LED module according to  claim 4 , wherein the depression defines reflector walls. 
     
     
       6. The LED module according to  claim 3 , wherein the depression defines reflector walls. 
     
     
       7. The LED module according to  claim 3 , wherein the electronic component is integrated in a wall of the silicon platform defining the depression. 
     
     
       8. The LED module according to  claim 1 , wherein the depression is at least partially filled with a color conversion medium. 
     
     
       9. An LED module, comprising:
 an LED semiconductor chip mounted directly or indirectly on a platform, the platform being made from silicon and extending laterally beyond the LED semiconductor chip, wherein: 
 the LED semiconductor chip comprises an active light emitting layer and a substrate, 
 the silicon platform comprises a base part and a reflector and the base part comprises at least a lower layer and an upper layer, 
 at least one electronic component that is part of a control circuitry for the LED semiconductor chip integrated in said lower layer, 
 walls of the silicon platform define a depression and extend vertically beyond the active light emitting layer of the LED semiconductor chip, and 
 the integrated electronic component is at least one of a wireless communication device and a sensor for at least one of light intensity, color temperature, and temperature. 
 
     
     
       10. The LED module according to  claim 9 , wherein the integrated electronic component is part of LED drive electronics providing the LED semiconductor chip with power. 
     
     
       11. The LED module according to  claim 9 , wherein the silicon platform defines the depression in which the LED semiconductor chip is arranged. 
     
     
       12. The LED module according to  claim 11 , wherein the depression defines walls that are vertical, inclined, or curved. 
     
     
       13. The LED module according to  claim 12 , wherein the depression defines reflector walls. 
     
     
       14. The LED module according to  claim 11 , wherein the depression defines reflector walls. 
     
     
       15. The LED module according to  claim 9 , wherein the base part of the silicon platform arranged below the LED chip comprises said lower layer in which the electronic component is integrated. 
     
     
       16. The LED module according to  claim 9 , wherein the depression is at least partially filled with a color conversion medium. 
     
     
       17. The LED module according to  claim 9 , wherein the electronic component is arranged in an outer region of the lower layer.